Laser optical torquemeter

Details Laser optical torquemeter Laser optical torquemeter

1995-12-01

1998-01-06

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

73862324, 3561523, 2502311, G01D 534

Patent

active

057058105

ABSTRACT:
A device intended to measure the torque. transmitted by a rotating shaft S1. This device has no physical connection with measured shafts. It employs a laser beam S, S' and a retroreflector RM of which the plane mirrors M1 and M2 are mounted on the torsional shaft S4 and transfer shaft S5 respectively or any other optical system, and it displays the torsion or torque as a function of angular displacement of the laser beam S' It may be used to determine the torque of either stationary or rotating shafts.

REFERENCES:
patent: 4698491 (1987-10-01), Lysen
patent: 4874245 (1989-10-01), Spillman, Jr. et al.

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